This had a heavy impact on the brand as a whole, hence they decided to pull a somewhat unorthodox move. The new Buick Regal that goes under the Sportback moniker is now a hatchback. The Euro-styled intermediate will also be available as the TourX wagon, while the good old sedan remains a Chinese market exclusive.

The Ford Mustang Boss 429 is one of the rarest of the hot cars on our list. In fact, it is one of the rarest muscle cars ever built. There were only 1358 built in 1969 and 1970. The Boss 429 was built for racing at a time when Ford was getting its ass handed to it in NACAR’s Sprint Cup Series by the 426 Hemi-powered Chrysler cars. At the time, NASCAR rules required that an engine used in the Sprint Cup Series had to be fitted to at least 500 cars sold to the general public; thus, the Mustang Boss 429 was born!

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Okay, we all know the LS is the king of used engines, but it’s an unspoken rule that if you mention engine swaps you have to mention the LS so let’s get it over with. Now the stuff of internet memery, the LS swap began as the most economical way to get a light and reliable V8 into a small space.

Equipped as an option on the Gran Sport 455, only 400 of the GSX Stage 1 packages were sold in 1970. The package boosted the performance of the lightweight 455 engine to 360 hp. That isn’t too impressive until you hear about the GSX Stage 1’s 510 lb-ft of torque. That was the highest torque output of any American production performance car until the introduction of the Series 2 V10 Dodge Viper in 2003.

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